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cyan
Questions and answers by
cyan
, page 2
Questions (159)
Match the description of nuclear decay to the type of nuclear decay. Column A 1.4 2 He : 2. 0 negative 1 e : 3.0/0 Y : 4. Has a
1 answer
61 views
Technetium-99m is a radioactive isotope commonly used in medicine as a radioactive tracer. A radioactive tracer is an isotope
1 answer
77 views
Nuclear reactions always involve lots of energy. True False
1 answer
87 views
How many half-lives does it take a radioactive substance to decay until only one-eighth of the original substance remains? a
1 answer
100 views
Chemical equations must be balanced because a mass is determined by a chemical reaction. b mass can neither be created nor
1 answer
74 views
9 0 4 BE In the element above the mass number is and the atomic number is . Blank 1: Blank 2:
1 answer
33 views
Given the following nuclear reaction:
Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of the new
1 answer
51 views
Given the following nuclear reaction:
Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of the new
1 answer
50 views
Given the following nuclear reaction:
Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of the new
1 answer
52 views
Which of the following substances is most acidic?
a bleach with a pH of 13.0 b blood with a pH of 7.4 c sea water with a pH of
1 answer
38 views
The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed?
1 answer
81 views
Given the following nuclear reaction:
Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of the new
1 answer
59 views
Given the following nuclear reaction:
Column A 1. What is the atomic mass of the new atom?: What is the atomic mass of the new
1 answer
52 views
Match the part of the diagram to its correct label.
Column A 1. W: W 2. X: X 3. Y: Y 4. Z: Z Column B a.Neutron b.Proton
1 answer
59 views
Algebra A Unit 7 Quiz 23-24 Due 10/30
3 of 143 of 14 Items Question Consider the following graph: What is the slope/rate of
11 answers
201 views
An online streaming service charges a monthly fee as well as a one-time sign-up fee. The cost for this online streaming service
1 answer
151 views
A driving service, like Uber or Lyft, charges the following, as modeled in the table, per mile driven.
Miles Driven Cost 0 $10 1
1 answer
82 views
Which slope-intercept form equation is equivalent to the point-slope equation y-4=2/3 (3x+6)
1 answer
48 views
Given the coordinates (1, 5) and (4, 11).
The slope of the line that passes through the coordinates is 2 . Fill in the blanks to
1 answer
81 views
Given the coordinates (1, 5) and (4, 11).
The slope of the line that passes through the coordinates is . Fill in the blanks to
1 answer
68 views
Which statement summarizes the political structure of Mayan city-states?(1 point) Responses City-states held their own power and
1 answer
119 views
What advantages did Mayan cities have? (1 point)
Mayan cities had an advanced understanding of Western philosophy and served as
1 answer
118 views
Find the x and y intercepts of the line: -2x + 5y=30
Responses x-intercept is 5; y-intercept is negative 5 x-intercept is 5;
1 answer
108 views
You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your
1 answer
84 views
Match the correlation to the statement:
Put responses in the correct input to answer the question. Select a response, navigate to
1 answer
106 views
Match the correlation to the statement:
Put responses in the correct input to answer the question. Select a response, navigate to
1 answer
135 views
Select the TWO lines from this list that are perpendicular.
5x−3y=−3 y-2=3/4 (x+1) y=-3/4x +12 4x-3y=-6
1 answer
109 views
How did the Aztecs use canals and channels in their daily lives? (1 point)
These helped them to study the different types of
1 answer
215 views
The pair of points -6, y and 4,8lie on a line with a slope of 5/2 . The formula used to solve for the slope of a line is
1 answer
60 views
The correct set-up of this problem 8-y/4-(-6) is Response area.
1 answer
93 views
Fill in the blanks based on the steps to convert this equation into slope- intercept form. y-3 = 5/3(x +6)
Step 1: Distributive
1 answer
60 views
What is the correct set up to finding the slope of a line that passes through the points (6-3) and (-2,7)
1 answer
137 views
A line has a slope of-3/5 . Through which two points could this line pass? Responses (-4, -1) and (3, 20) (-4, -1) and (3, 20)
1 answer
48 views
What does the image show about the extent and operation of the Inca Empire?(1 point) Responses The borders of modern countries,
1 answer
164 views
Which point on the axis satisfies the inequality y < x? (1 point) Responses (0, 1) (0, 1) (–1, 0) (–1, 0) (1, 0) (1, 0) (0,
1 answer
135 views
How did the introduction of diseases by the Europeans affect the Spanish conquest of the Aztec?(1 point) Responses Although
1 answer
84 views
Explain what led to the death of Montezuma.(1 point) Responses Montezuma was killed by his own people during his initial meeting
1 answer
97 views
An investigation of the Aztec and Inca Empires shows that(1 point) Responses their weapons were not strong enough to defeat the
1 answer
308 views
Find the x and y-intercepts of -6x+3y=36 Responses x-intercept is (6,0), y-intercept is (0, -12) x-intercept is (6,0),
1 answer
41 views
Which point is located on the line represented by the equation y+8= 3/7 (x-5)?
(-5,8) ( 5,-8) ( 3/7,5) ( 8,-5) (-8,5)
1 answer
68 views
Which equation of a line is parallel to the equation -4x + 3y = 12?
Responses y= -4/3 x+ 4 y = 4x + 8 y = 3x + 12 y= 4/3x+6
1 answer
75 views
Which of the following is an equation of a line that is perpendicular to y = -2x + 5 and passes through the point (-2, 3)?
Respon
1 answer
48 views
EUROPEANS BEGAN EXPLORING TO FIND A DIRECT ROUTE TO CANADA. true or false
1 answer
102 views
Which detail from "Telephone Conversation" best contributes to its humorous tone? (1 point) Responses "Madam," I warned, "I hate
1 answer
65 views
Read the following sentences from "Marriage is a Private Affair." In these sentences, Nene writes a letter to the father-in-law
1 answer
100 views
Note: The item below has been reviewed and is scheduled to be updated. All students will receive full credit for any response to
1 answer
72 views
For the following questions, choose the word or group of words that belongs in the underlined space. My family _(14)_ Sebago
1 answer
80 views
Note: The item below has been reviewed and is scheduled to be updated. All students will receive full credit for any response to
1 answer
158 views
solve for x. x - 9 = 15 * 1 point x = 24 x = 6 x = -24 x = -6
1 answer
24 views
What is the solution? 11 + x = 32 * 1 point x = 43 x = 21 x = -21 x = -43
1 answer
24 views
Solve the equation. 7x = 84 * 1 point x = 77 x = 91 x = 1/12 x = 12
1 answer
77 views
What is the value of x? x/3 = 9 * 1 point x = 3 x = 12 x = 27 x = 6
1 answer
27 views
Solve for x.
28 = -7x * 1 point x = -4 x = 35 x = 21 x = 4
1 answer
26 views
Byron has money in his savings account. He spent $40 of it on a new winter coat. He has $80 left. How much money did he have in
1 answer
55 views
Zayan brought Oreos to share with his 8 friends. Each friend received 3 Oreos. How many Oreos did he bring in all?
1 answer
50 views
Solve the equation. 5x - 14 = 21
1 answer
24 views
Which value of x makes the equation true? 80 - 2x = 100
1 answer
22 views
Solve the equation. 7x - 3 - 4x = 9
1 answer
21 views
Solve for x: 5(-2x + 4) = 40 *
1 answer
27 views
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